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ODM OEM is Welcome

ODM OEM is Welcome

Brush, brushless, stepping, gear motor for an extensive selection of custom design.

Design and Manufacture

Design and Manufacture

Brush DC motor manufacturing technology offers low friction, low starting current, high efficiency and stable torque-speed function.


DC Planetary Gear Motor | Over 25 Years of Motor & DC Gear Motor Supply | Doryoku Tech.

Doryoku Technical Corp. is one of the leading DC Planetary Gear Motor | DC gear motor manufacturers since 2000 based in Taiwan and is specialized in producing high torque dc motor to meet the needs of automation applications.

Our DC gear motor such as, planetary gear motor, DC servo motor, brushless DC motor are designed with size range from 18mm to 80mm, gear ratios ranging from 4:1 to 11909:1. and continuous torque of up to 4,166 oz-in!

Doryoku Tech. has been offering customers high performance dc gear motors, both with advanced technology and 25 years of experience, Doryoku Tech. ensures each customer's demands are met.

DC Planetary Gear Motor

High torque high efficiency

Planetary Gear Reducer Connected with DC Brush, Brushless, Stepping, Servo Motor.
Planetary Gear Reducer Connected with DC Brush, Brushless, Stepping, Servo Motor.

Planetary Reducers also named Epicyclic gearing Reducers –There is a significant increase on Planetary Gear Motor usage and customer like planetary geared motor to design their equipment more and more. They choose Planetary reducers to combine with dc gear motor, brushed motor, brushless motor, stepping motor and servo motor.

Planetary geared motor could work on high operating efficiency, easier mountings, offer high torque in a compact package, wide range of reduction ratio for wide applications. Especially it’s ideal for intermittent or continuous duty heavy situation.

The size of DORYOKU Planetary Gearbox range from 18mm to 124mm; gear ratios ranging from 4:1 to 11909:1, and continuous torque of up to 800 kg-cm!
Optical encoder, Magnetic encoder, brake could be installed according to your request.

Dual Bearings Design
Dual roller bearings design and heat treatment of gear or shaft to increase the strength of gearbox or thicken the gear to let bearing capacity bigger. We do our best to meet customers’ critical request.
Planetary gearbox structure
Planetary geared motor is highly reliable. The efficiency of 1 stage is about 90%, 2 stages is about 81%, and so forth. The structure makes it ideal for many applications – from industrial automation to medical.
We could offer a datasheet of straight speed-torque curve, with starting torque, speeds and current to let you know the motor’s peak efficiency with operating torque.
ODM, OEM Welcome
Customized design welcome. DORYOKU can provide special shaft or flange version upon request. Gearbox design, Shaft and Flange shape can be made according to your requirement.


  • 6VDC, 12VDC, 24VDC, 36VDC
  • 1RPM-5000 RPM
  • High torque DC gear motor, DC brushed motor could be selected and combine.
  • Optical encoder, Magnetic encoder, encoder+brake Option
  • Performance Curves of Torque, Current, Speed will be attached as sample request.
Result 25 - 31 of 31

Result 25 - 31 of 31